Finding the Fourth Proportional to 565,913,314.41, 780,803,547.62 and 339,793,566.99
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Solution
The fourth proportional to 565,913,314.41, 780,803,547.62 and 339,793,566.99 is: 468,820,958.63
Step by Step Solution
- Step 1: Write the proportion equation
565,913,314.41 : 780,803,547.62 = 339,793,566.99 : x - Step 2: Convert to fraction form
565,913,314.41/780,803,547.62 = 339,793,566.99/x - Step 3: Cross multiply
565,913,314.41x = 780,803,547.62 × 339,793,566.99 - Step 4: Simplify right side
565,913,314.41x = 265,312,022,562,547,168 - Step 5: Solve for x
x = 265,312,022,562,547,168/565,913,314.41 - Step 6: Final answer
x = 468,820,958.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.